the goal is to find cheap and easy to obtain building materials\
http://www.pinterest.com/lovemybooksii/alternative-building-materials/
http://en.wikipedia.org/wiki/Alternative_natural_materials
My favourite: earthbags
http://www.inspirationgreen.com/earthbag-construction.html
Cob (straw, clay and earth)
http://www.motherearthnews.com/green-homes/cob-building-basics-zm0z13onzrob.aspx?PageId=1#ArticleContent
Tires
http://www.earth911.com/home-garden/building-with-tires/
Bricks made of sand processed by bacteria
http://www.biomason.com/
http://www.charlotteobserver.com/2014/01/19/4617088/nc-startup-develops-a-way-to-turn.html#.U6IOvLFqHcs
http://www.treehugger.com/green-architecture/architect-grows-brick-from-bacteria-sand-urine.html
Bottles for greenhouse roof
Rice hull houses
http://www.appropedia.org/Rice_Hulls_in_Construction
http://www.pinterest.com/lovemybooksii/alternative-building-materials/
http://en.wikipedia.org/wiki/Alternative_natural_materials
My favourite: earthbags
http://www.inspirationgreen.com/earthbag-construction.html
Cob (straw, clay and earth)
http://www.motherearthnews.com/green-homes/cob-building-basics-zm0z13onzrob.aspx?PageId=1#ArticleContent
Tires
http://www.earth911.com/home-garden/building-with-tires/
Bricks made of sand processed by bacteria
http://www.biomason.com/
http://www.charlotteobserver.com/2014/01/19/4617088/nc-startup-develops-a-way-to-turn.html#.U6IOvLFqHcs
http://www.treehugger.com/green-architecture/architect-grows-brick-from-bacteria-sand-urine.html
Bottles for greenhouse roof
Rice hull houses
http://www.appropedia.org/Rice_Hulls_in_Construction